Manhole is a South Korean television series starring Kim Jae-joong, Uee, Baro, Jung Hye-sung. It aired on KBS2, from August 9 to September 28, 2017 on Wednesdays and Thursdays at 22:00 (KST) for 16 episodes.

Kim Jae-joong, also known mononymously as Jaejoong in South Korea and Jejung/J-Jun (ジェジュン) in Japan, is a South Korean singer, songwriter, actor and director. He is a member of the Korean pop group JYJ and was one of the original members of boy band TVXQ, where he was formerly known by the stage name Hero Jae-joong. Since 2013, he has expanded his range of activities as a solo artist, and in 2023, he formed his own agency iNKODE where he serves as the Chief Strategy Officer.